Properties of the Number -64190

Sixty-Four Thousand One Hundred Ninety

Basics

Value: -64191 → -64190 → -64189

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 ² × 131

Divisors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111101010111110

Octal: -175276

Duodecimal: -31192

Hexadecimal: -fabe

Square: 4120356100

Square Root: 253.357454991954

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of compositions (ordered partitions) of n into powers of 4. A87221

Total number of parts greater than 1 in all partitions of n minus the number of partitions of n into parts each less than n. A198381

G.f. satisfies A(x) = 1 + x·A(x)*f(x)³, where f(x) = ∑_k>=0 x^{(4^k-1}/3). A87222

G.f.: A(x) = F(x·G(x)²)² where F(x) = G(x/F(x)) = 1 + x·F(x)² is the g.f. of A000108 (Catalan) and G(x) = F(x·G(x)) = 1 + x·G(x)³ is the g.f. of A001764. A153297

Number of fixed tree-like convex polyominoes. A196593

Number of permutations of [n] avoiding {1324, 3421, 3241}. A294806

a(n) = [xⁿ] 1/(1 - ∑_k>=1 kⁿ*x^2·k/(1 - x^k)). A321263

Number of rational points of Klein curve over GF(2ⁿ). A48635